Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.584 8.784 8.484 8.684 8.584 8.784 8.484 8.684 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 11 15 13 9 11 15 13 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
Number System If the difference between a number and its 2/5 is 240, find the number. 400 440 480 360 400 440 480 360 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore x - 2x/5 = 240, Therefore, 3x/5 = 240Therefore, x = 240x5/3 = 400
Number System The square root of 0.0081 is: 0.91 0.009 0.09 0.9 0.91 0.009 0.09 0.9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System In how many different ways can the letters of the word 'DETERMINE' be arranged ? 60480 62480 63480 61480 60480 62480 63480 61480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of arrangements = 9! / 3! Because, E comes 3 times = 60480
Number System A, B, C, D and E are consecutive even numbers respectively. The average of 5 numbers is 82. What is the product of C and E ? 6373 6363 6383 6353 6373 6363 6383 6353 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4 = 5 x 82= 5x + 10 = 410 = 5x = 400= x = 400/5 = 80 ∴ A = 80C = 82and E = 84= C x E = 82 x 84 = 6383
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